The Grand Bombard has increased range, damage and accuracy compared to the bombard.
The Grand Bombard was created as an improvement to the bombard in the early 15th century. Made to be harder hitting and with longer range than its predecessor, this iron-forged piece of siege artillery is able to inflict punishing damage on enemy defences. Like its predecessor, it too can deliver flaming chastisement to enemy soldiers.

Gunsmith

Cannon Maker

Grand Bombard are recruited in Northern European Cities or Castles with a Cannon Maker after the Death of Ibn al-Shatir in 1375.

Buildings to raise Gunpowder Artillery units are available after "A Deadly New Weapon!" [Gunpowder] is discovered in the mid-13th century (1240-1250)